hubble s constant哈勃常数
hubble constant h 0哈勃常数ho
Hubble constant H哈勃常数H
hubble ' s constant哈勃常数
Hubble constant H0哈勃常数HO
the Hubble constant哈勃常数
N(名词) the rate at which the expansion velocity of the universe depends on distance away. It is currently estimated to lie in the range 60–80 km s–1 megaparsec–1 哈勃常数 (Also called Hubble parameter)